Description
Fully assembled and automatic operation. Provides uninterrupted pumping in the event of power outage or main pump failure. Compact profile will fit minimum 15″ diameter sump pits. Back-up Pump (Model 441) offers advanced energy efficient 1000mA switch mode charger. Self-resetting 24-hour silence. Audible and visual alarm warns of backup pump operation. System includes primary pump check valve and back-up pump check valve.